SearchSignal buffer may pool items indefinitely and does not seem to be thread safe about bungiesearch

[ChristopherRabotin]

The lock is a very good idea. You've also probably hit the nail on the head
with an issue we had at Sparrho for a bit related to indexing very large
chunks of content. It would take a long while. We never got the time to
investigate the issue.

Concerning the timer, how would you do that?

On Sun, Dec 20, 2015, 22:24 Di Wu [email protected] wrote:

The concept of the buffer is to optimize indexing performance by utilizing
bulk operations, but there's no guarantee that the buffer gets flushed in a
timely fashion.

I think it should be necessary to use a timer with a configurable flush
interval to make sure that things don't stay in the buffer indefinitely.

Another thing I noticed is that the buffer size check, bulk updating, and
buffer emptying code isn't thread safe, if we have Django running with
Gunicorn thread worker, then we have race condition.

There should be a Lock used to prevent any race conditions

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[diwu1989]

I think I'll submit another PR to try to deal with the flush issue and then there should be enough bugs fixed to qualify for a new release